Articles | Volume 18, issue 7
https://doi.org/10.5194/essd-18-4965-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-4965-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description article
| Highlight paper
| 
16 Jul 2026
Data description article | Highlight paper |
| 16 Jul 2026
| 16 Jul 2026
TundraFlux: a database of ecosystem respiration with biotic and abiotic metadata from Arctic and alpine tundra warming experiments
Sarah Schwieger
CORRESPONDING AUTHOR
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Department of Ecology, Environment and Geoscience, Umeå University, Umeå, Sweden
Jan Dietrich
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Department of Ecology, Environment and Geoscience, Umeå University, Umeå, Sweden
Mats P. Björkman
Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, 405 30 Gothenburg, Sweden
Gothenburg Global Biodiversity Centre, 405 30 Gothenburg, Sweden
Judith M. Sarneel
Department of Ecology, Environment and Geoscience, Umeå University, Umeå, Sweden
Bowen Li
Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, 405 30 Gothenburg, Sweden
Joel White
Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, 405 30 Gothenburg, Sweden
Inge H. J. Althuizen
NORCE Research AS, Bergen, Norway
Bjerknes Centre for Climate Research, University of Bergen, Bergen, Norway
Christina Biasi
University of Eastern Finland, Department of Environmental and Biological Sciences, P.O. Box 1627, 70211 Kuopio, Finland
University of Innsbruck, Department of Ecology. Sternwartestraße 15, 6020 Innsbruck, Austria
Robert G. Björk
Gothenburg Global Biodiversity Centre, 405 30 Gothenburg, Sweden
Department of Earth Sciences, University of Gothenburg, 405 30 Gothenburg, Sweden
Hanna Böhner
Department of Arctic and Marine Biology, UiT – the Arctic University of Norway, 9037 Tromsø, Norway
Brage Bremset Hansen
Department of Terrestrial Ecology, Norwegian Institute for Nature Research, Trondheim, Norway
Gjærevoll Centre for Biodiversity Foresight Analysis, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway
Michele Carbognani
Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
Giorgio Chiari
Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
Casper T. Christiansen
Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Copenhagen, Denmark
Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Elisabeth J. Cooper
Department of Arctic and Marine Biology, UiT – the Arctic University of Norway, 9037 Tromsø, Norway
Hans Cornelissen
Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit, Amsterdam, the Netherlands
Ludovica D'Imperio
Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Department of Biotechnology and Biomedicine, Technical University of Denmark, Kgs. Lyngby, Denmark
Ellen Dorrepaal
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Department of Ecology, Environment and Geoscience, Umeå University, Umeå, Sweden
Bo Elberling
Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Patrick Faubert
Carbone boréal, Département des sciences fondamentales, Université du Québec à Chicoutimi, 555 boulevard de l'Université, Chicoutimi, QC, G7H 2B1, Canada
Ned Fetcher
Institute for Environmental Science and Sustainability, Wilkes University, Wilkes-Barre, PA 18766, USA
T'ai G. W. Forte
Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
Joseph Gaudard
Department of Biological Sciences and Bjerknes Centre for Climate Research, University of Bergen, Bergen, Norway
Konstantin Gavazov
Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Lausanne, Switzerland
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Zhen-Huan Guan
State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, and College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
Jón Guðmundsson
Agricultural University of Iceland, Árleyni 22, 112 Reykjavik, Iceland
Siri V. Haugum
The Heathland Centre, Alver, Norway
Jin-Sheng He
Institute of Ecology, College of Urban and Environmental Sciences, Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China
State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, and College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
Caitlin Hicks Pries
Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
Mark Hovenden
Biological Sciences, School of Natural Sciences, University of Tasmania, Hobart, Tasmania, Australia
Australian Mountain Research Facility, Canberra, Australia
Simone I. Lang
Department of Arctic Biology, The University Centre in Svalbard, P.O. Box 156, 9171 Longyearbyen, Norway
Gus Jespersen
Department of Arctic Biology, The University Centre in Svalbard, P.O. Box 156, 9171 Longyearbyen, Norway
Ingibjörg S. Jónsdóttir
University of Iceland, Life and Environmental Sciences, Sturlugata 2, 102 Reykjavik, Iceland
Ji Young Jung
Division of Life Sciences, Korea Polar Research Institute, Incheon, South Korea
Olga Khitun
Department of Biological and Environmental Sciences, University of Gothenburg, Box 463, 405 30 Gothenburg, Sweden
Birgitte Kortegaard Danielsen
Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Richard Lamprecht
University of Eastern Finland, Department of Environmental and Biological Sciences, P.O. Box 1627, 70211 Kuopio, Finland
Mathilde Le Moullec
Greenland Institute of Natural Resources, Kivioq 2, 3900 Nuuk, Greenland
Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, 7491 Trondheim, Norway
Hanna Lee
Department of Biology, NTNU Norwegian University of Science and Technology, Trondheim, Norway
Maija E. Marushchak
University of Eastern Finland, Department of Environmental and Biological Sciences, P.O. Box 1627, 70211 Kuopio, Finland
Anders Michelsen
Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Copenhagen, Denmark
Tariq Munir
Department of Geography, University of Calgary, Alberta, Canada
Eero Myrsky
Arctic Centre, University of Lapland, Rovaniemi, Finland
University of Helsinki, Helsinki, Finland
Kevin K. Newsham
British Antarctic Survey, NERC, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
Marion Nyberg
Biological Sciences, School of Natural Sciences, University of Tasmania, Hobart, Tasmania, Australia
Steven F. Oberbauer
Department of Biological Sciences, Florida International University, Miami, FL, USA
Institute of Environment, Florida International University, Miami, FL, USA
Paulo Olivas
Department of Earth and Environment, Florida International University, Miami, FL, USA
Institute of Environment, Florida International University, Miami, FL, USA
Johan Olofsson
Department of Ecology, Environment and Geoscience, Umeå University, Umeå, Sweden
Hlynur Óskarsson
Agricultural University of Iceland, Árleyni 22, 112 Reykjavik, Iceland
Thomas C. Parker
Ecological Sciences, The James Hutton Institute, Aberdeen, Scotland, AB15 8QH, UK
Matteo Petit Bon
Department of Applied Ecology – College of Agriculture and Life Sciences, North Carolina State University, Raleigh, North Carolina, NC 27695, USA
Alessandro Petraglia
Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
Emily Pickering Pedersen
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Copenhagen, Denmark
Katrine Raundrup
Greenland Institute of Natural Resources, Kivioq 2, 3900 Nuuk, Greenland
Nynne R. Ravn
Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Copenhagen, Denmark
Riikka Rinnan
Center for Volatile Interactions, Department of Biology, University of Copenhagen, Copenhagen, Denmark
Heidi Rodenhizer
Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, USA
Woodwell Climate Research Center, Falmouth, MA, USA
Ingvild Ryde
Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Copenhagen, Denmark
Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Alejandro Salazar
Agricultural University of Iceland, Árleyni 22, 112 Reykjavik, Iceland
Niels M. Schmidt
Department of Ecoscience, Aarhus University, Roskilde, Denmark
Ted Schuur
Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, USA
Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
Sofie Sjögersten
School of Biosciences, University of Nottingham, Sutton Bonington Campus, LE12 5ND, Loughborough, UK
Cecilie Skov Nielsen
SEGES Innovation P/S, Agro Food Park 15, Aarhus, Denmark
Center for Permafrost, Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
Sari Stark
Department of Arctic Biology, University Centre in Svalbard, P.O. Box 156, Longyearbyen, Norway
Maria Strack
Department of Geography and Environmental Management, University of Waterloo, Waterloo, ON, Canada
Jianwu Tang
The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts, USA
deceased
Sylvia Toet
Department of Biology, University of York, York, UK
Anne Tolvanen
Natural Resources Institute Finland, Helsinki, Finland
Maria Väisänen
Water, Energy and Environmental Engineering Research Unit, University of Oulu, Oulu, Finland
Richard Van Logtestijn
Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit, Amsterdam, the Netherlands
Vigdis Vandvik
Department of Biological Sciences and Bjerknes Centre for Climate Research, University of Bergen, Bergen, Norway
Carolina Voigt
University of Eastern Finland, Department of Environmental and Biological Sciences, P.O. Box 1627, 70211 Kuopio, Finland
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, 14473 Potsdam, Germany
University of Hamburg, Department of Earth System Sciences, Allende-Platz 2, 20146 Hamburg, Germany
Josefine Walz
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Jeffrey M. Welker
Department of Biological Sciences University of Alaska Anchorage, USA
Ecology and Genetics Research Unit, University of Oulu Finland, Oulu, Fijnland
University of the Arctic, Rovaniemi, Finland
Yuanhe Yang
State Key Laboratory of Forage Breeding-by-Design and Utilization, Beijing, China
Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, China
Henni Ylänne
School of Forest Sciences, University of Eastern Finland, Joensuu, Finland
Sybryn L. Maes
Climate Impacts Research Centre, Department of Ecology and Environmental Science, Umeå University, Abisko, Sweden
Forest Ecology and Management Group (FORECOMAN), Department of Earth and Environmental Sciences, KU Leuven, Leuven, Belgium
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Editorial statement
I approved the justification of handling topic editor.
Short summary
Arctic and alpine tundra ecosystems are warming rapidly, yet measurements of ecosystem CO₂ respiration remain limited. We compile in situ respiration measurements from warming experiments across 64 Arctic and alpine tundra sites. By integrating fluxes with climate, vegetation, and soil data, this database improves understanding and prediction of how tundra carbon cycling responds to climate warming and feeds back to the climate system.
Arctic and alpine tundra ecosystems are warming rapidly, yet measurements of ecosystem CO₂...
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